Invoke-GlobalMailSearch -ImpersonationAccount current -username -ExchHostname Exch01 -OutputCsv global -email -search.csv By default, the script searches for "*password*","*creds*","*credentials*" It then connects to Exchange Web Services (EWS) using the impersonation role to gather a number of emails from each mailbox and ultimately searches through them for specific terms. After this role has been granted, the Invoke-GlobalMailSearch function creates a list of all mailboxes in the Exchange database. Having the "ApplicationImpersonation" role allows that user to search through all other domain user's mailboxes. Invoke-GlobalMailSearch is a module that will connect to a Microsoft Exchange server and grant the "ApplicationImpersonation" role to a specified user. These two functions are Invoke-GlobalMailSearch and Invoke-SelfSearch. There are two main functions in MailSniper.
MailSniper also includes additional modules for password spraying, enumerating users and domains, gathering the Global Address List (GAL) from OWA and EWS and checking mailbox permissions for every Exchange user at an organization.įor more information about the primary MailSniper functionality check out blog post.įor more information about additional MailSniper modules check out:ĭownload the MailSniper Field Manual to quickly reference various MailSniper functions. It can be used as a non-administrative user to search their own email or by an Exchange administrator to search the mailboxes of every user in a domain. MailSniper is a penetration testing tool for searching through email in a Microsoft Exchange environment for specific terms (passwords, insider intel, network architecture information, etc.).
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